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Finding the Fourth Proportional to 633,507.37, 874,240.32 and 347,037.64

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Solution

The fourth proportional to 633,507.37, 874,240.32 and 347,037.64 is: 478,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,507.37 : 874,240.32 = 347,037.64 : x
  2. Step 2: Convert to fraction form
    633,507.37/874,240.32 = 347,037.64/x
  3. Step 3: Cross multiply
    633,507.37x = 874,240.32 × 347,037.64
  4. Step 4: Simplify right side
    633,507.37x = 303,394,296,561.44
  5. Step 5: Solve for x
    x = 303,394,296,561.44/633,507.37
  6. Step 6: Final answer
    x = 478,912.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.